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[vsnet-alert 2789] CH UMa faint outburst?

CH UMa faint outburst?

  CH UMa may be undergoing a rather rare outburst.  The latest reported
major outburst occurred in 1997 September - October.  A few possible brief
brightenings (reaching to 13.3-13.8 mag) reported in late 1998 - 1999
January.

  YYMMDD(UT)   mag  observer
  990310.024  <137  (H. McGee)
  990310.142   148  (G. Hanson)
  990310.849   147  (G. Poyner)
  990310.851  <137  (E. Muyllaert)
  990313.349   148  (R. J. Modic)
  990313.951   148  (G. Poyner)
  990314.863  <137  (E. Muyllaert)
  990315.860   149: (G. Poyner)
  990315.878  <140  (E. Muyllaert)
  990316.155   148  (G. Hanson)
  990316.278   149  (R. J. Modic)
  990316.599  <127  (H. Maehara)
  990316.908   148  (G. Poyner)
  990316.940   150  (T. Kinnunen)
  990317.278   150  (R. J. Modic)
  990317.860   147  (G. Poyner)
  990317.980   140: (H. McGee)
  990318.858   150: (G. Poyner)
  990318.864  <137  (E. Muyllaert)
  990321.930   132  (J. Ripero)

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